[citrin_ru]

Privacy Extensions is dangerous: http://blog.bimajority.org/2014/09/05/the-network-nightmare-...

[somesay]

I haven't read the long article but it ends with:

> UPDATE (2014-09-06): As […] was the first to point out, RFC 7217 addresses all of my issues with “privacy” addresses. Let implementation come soon!

So, not backing your message.

[IgorPartola]

This seems like the case of a very specific problem for a large network. I don't believe that in a typical home or small office setting this would have a bad effect.